WO2019136656A1

WO2019136656A1 - Resource allocation method and device

Info

Publication number: WO2019136656A1
Application number: PCT/CN2018/072217
Authority: WO
Inventors: 沈嘉
Original assignee: Oppo广东移动通信有限公司
Priority date: 2018-01-11
Filing date: 2018-01-11
Publication date: 2019-07-18
Also published as: EP3749028B1; EP3749028A4; EP3749028A1; CN111226477A; JP2021515995A; KR20200108327A; CN111698781B; CN111698781A; TW201931923A; AU2018402131A1; US20200288447A1

Abstract

Disclosed in the present application is a method and a device for resource allocation. The method comprises: receiving, by a terminal device, resource allocation information sent by a network device, the resource allocation information being used to indicate a resource mapping relationship between M bandwidth parts (BWP) and N control resource sets, wherein M and N are positive integers; and monitoring, by the terminal device, on the basis of the resource mapping relationship, a physical downlink control channel (PDCCH) sent by the network device on at least one of the control resource sets corresponding to a target BWP used by the terminal device. When the BWP used by the terminal device dynamically is switched among multiple BWPs, the network device can send the PDCCH by using different control resource sets, and the terminal device performs PDCCH monitoring on the control resource set corresponding to the currently used BWP. Therefore, flexible transmission of PDCCH can be implemented in different frequency domain resources, the transmission efficiency is improved, and the power consumption of the terminal device is reduced.

Description

Resource allocation method and device

Embodiments of the present invention relate to the field of communications, and, more particularly, to a method and apparatus for resource configuration. Background technique

In a 5G system, a Physical Downlink Control Channel (PDCCH) is transmitted in a Control Resource Set (CORESET). Moreover, the system bandwidth in the 5G system can be divided into multiple Bandwidth Parts (BWPs), and the terminal device can use different BWPs according to the indications of the network devices. Therefore, how to flexibly transmit PDCCH and improve transmission efficiency in different frequency domain resources has become an urgent problem to be solved. Summary of the invention

The embodiments of the present invention provide a method and a device for resource configuration, which can flexibly perform PDCCH transmission and improve transmission efficiency in different frequency domain resources.

The first aspect provides a resource configuration method, including: receiving, by a terminal device, resource configuration information sent by a network device, where the resource configuration information is used to indicate resources between the M bandwidth segment BWPs and the N control resource sets. The mapping relationship, M and N are positive integers; the terminal device monitors the physical downlink sent by the network device on the at least one control resource set corresponding to the target BWP used by the terminal device, based on the resource mapping relationship Control channel PDCCH.

Therefore, when the BWP used by the terminal device is dynamically switched in multiple BWPs, the network device may send the PDCCH by using different control resource sets. Accordingly, the terminal device performs the PDCCH on the control resource set corresponding to the currently used BWP. The monitoring enables flexible transmission of the PDCCH in different frequency domain resources, improves transmission efficiency, and reduces power consumption of the terminal device.

In a possible implementation manner, the resource configuration information includes configuration information of each of the M BWPs, where configuration information of the i-th B WP of the M BWPs includes the i-th BWP Information, and information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to M-1.

In this embodiment, since the configuration information of each BWP carries the information of the control resource set corresponding to the BWP, there is no need to separately control the resource set and control the resource set and the BWP. The resource mapping relationship is indicated, which saves signaling overhead, and facilitates the terminal device to quickly determine at least one control resource set corresponding to each BWP.

In a possible implementation, before the terminal device monitors the PDCCH sent by the network device, the method further includes: the terminal device acquiring, from the configuration information of the target BWP, the target BWP Corresponding information of the at least one control resource set.

In a possible implementation, the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes the frequency occupied by each control resource set in the i-th BWP Information about domain resources.

In a possible implementation, the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes information about time domain resources used by the control resource set to monitor the PDCCH. .

In a possible implementation manner, the information about the time domain resource includes information for monitoring a time slot or a symbol of the PDCCH.

In a possible implementation manner, the resource configuration information includes configuration information of each of the M BWPs and configuration information of each of the N control resource sets. The configuration information of the i-th BWP of the M BWPs includes the information of the i-th BWP, and the configuration information of the j-th control resource set of the N control resource sets includes the j-th control The information of the resource set, and the index of the BWP corresponding to the jth control resource set, i from 0 to M1, j from 0 to N-1.

In this embodiment, the configuration information of the CORESET and the configuration information of the BWP are indicated by independent fields, and the index of the BWP corresponding to the CORESET is added to the configuration information of each CORESET, and a more flexible CORESET can be realized compared to the form 1. Configuration.

In a possible implementation, before the terminal device monitors the PDCCH sent by the network device, the method further includes: the terminal device selecting, in the configuration information of the N control resource sets, a carrier Determining at least one configuration information of an index of the target BWP, and acquiring information of the at least one control resource set corresponding to the target BWP from the at least one configuration information that carries an index of the target BWP.

In a possible implementation, the information of the jth control resource set includes information of a frequency domain resource occupied by the jth control resource set in a BWP corresponding to the jth control resource set.

In a possible implementation manner, the information of the jth control resource set further includes information that the jth control resource is used to monitor a time domain resource of the PDCCH.

In a possible implementation manner, the information about the time domain resource includes a PDCCH for monitoring Information about time slots or symbols.

The second aspect provides a method for resource configuration, including: the network device sends resource configuration information to the terminal device, where the resource configuration information is used to indicate resource mapping between the M bandwidth segment BWPs and the N control resource sets. Relationship, M and N are positive integers.

In a possible implementation manner, the method further includes: the network device sending, to the terminal device, a physical downlink control channel PDCCH in at least one control resource set corresponding to the target BWP used by the terminal device.

In a possible implementation, the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes the occupied by the control resource set in the i-th BWP. Information about frequency domain resources.

In a possible implementation, the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes information about time domain resources used to transmit the PDCCH in each control resource set. .

In a possible implementation, the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.

In a possible implementation, the information of the jth control resource set includes information of frequency domain resources occupied by the jth control resource set in the BWP corresponding to the jth control resource set. In a possible implementation manner, the information of the jth control resource set further includes information about the time domain resource used for transmitting the PDCCH in the jth control resource set.

In a third aspect, a terminal device is provided, which can perform the operations of the terminal device in any of the foregoing aspects or the optional implementation of the first aspect. In particular, the terminal device may comprise a modular unit for performing the operations of the terminal device in any of the above-described first aspects or any of the possible implementations of the first aspect.

In a fourth aspect, a network device is provided, which can perform the operations of the network device in the second aspect or any optional implementation of the second aspect. In particular, the network device may comprise a modular unit for performing the operations of the network device in any of the possible implementations of the second aspect or the second aspect described above.

In a fifth aspect, a terminal device is provided, the terminal device comprising: a processor, a transceiver, and a memory. The processor, the transceiver, and the memory communicate with each other through an internal connection path. The memory is for storing instructions for executing instructions stored by the memory. When the processor executes the instruction stored by the memory, the executing causes the terminal device to perform the method in the first aspect or any possible implementation manner of the first aspect, or the execution causes the terminal device to implement the terminal provided by the third aspect device.

In a sixth aspect, a network device is provided, the network device comprising: a processor, a transceiver, and a memory. The processor, the transceiver, and the memory communicate with each other through an internal connection path. The memory is for storing instructions for executing instructions stored by the memory. When the processor executes the instruction stored by the memory, the executing causes the network device to perform the method in any of the possible implementations of the second aspect or the second aspect, or the execution causes the network device to implement the network provided by the fourth aspect device.

In a seventh aspect, a system chip is provided, the system chip includes an input interface, an output interface, a processor, and a memory, the processor is configured to execute an instruction stored by the memory, and when the instruction is executed, the processor can implement the foregoing The method of any of the first aspect or any of the possible implementations of the first aspect.

In an eighth aspect, a system chip is provided, the system chip includes an input interface, an output interface, a processor, and a memory, the processor is configured to execute an instruction stored by the memory, and when the instruction is executed, the processor can implement the foregoing The method of any of the second aspect or any possible implementation of the second aspect. In a ninth aspect, a computer program product comprising instructions for causing a computer to execute the method of any of the first aspect or the first aspect of the first aspect, when the computer program product is run on a computer.

According to a tenth aspect, there is provided a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of any of the second aspect or the second aspect of the second aspect. DRAWINGS

1 is a schematic diagram of a wireless communication system in accordance with an embodiment of the present application.

2 is a flow interaction diagram of a method for resource configuration according to an embodiment of the present invention.

Figure 3 is a schematic illustration of BWP and CORESET in accordance with an embodiment of the present invention.

4 is a schematic diagram of BWP and CORESET according to an embodiment of the present invention.

FIG. 5 is a schematic block diagram of a terminal device according to an embodiment of the present invention.

FIG. 6 is a schematic block diagram of a network device according to an embodiment of the present invention.

FIG. 7 is a schematic structural diagram of a communication device according to an embodiment of the present invention.

FIG. 8 is a schematic structural diagram of a system chip according to an embodiment of the present invention. Detailed ways

The technical solution of the embodiment of the present application can be applied to various communication systems, for example, a Global System of Mobile communication (GSM) system, Code Division Multiple Access (CDMA). System), Wideband Code Division Multiple Access (WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (Long Term Evolution, referred to as "LTE") system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System, Referred to as “UMTS”, Global Interoperability for Microwave Access (WiMAX) communication system or future 5G system.

FIG. 1 shows a wireless communication system 100 to which an embodiment of the present application is applied. The wireless communication system 100 can include a network device 110. Network device 100 can be a device that communicates with a terminal device. Network device 100 can provide communication coverage for a particular geographic area and can communicate with terminal devices (e.g., UEs) located within the coverage area. Optionally, the network device 100 can be GSM a base station (Base Transceiver Station, BTS) in a system or a CDMA system, or a base station (NodeB, NB) in a WCDMA system, or an evolved base station (Evolved Node B, eNB or eNodeB) in an LTE system, or Is a wireless controller in a Cloud Radio Access Network (CRAN), or the network device can be a relay station, an access point, an in-vehicle device, a wearable device, a network-side device in a future 5G network, or a future evolution Network equipment in the Public Land Mobile Network (PLMN).

The wireless communication system 100 also includes at least one terminal device 120 located within the coverage of the network device 110. Terminal device 120 can be mobile or fixed. Optionally, the terminal device 120 may refer to an access terminal, a user equipment (UE), a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication. Device, user agent, or user device. The access terminal can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication. A functional handheld device, a computing device or other processing device connected to a wireless modem, an in-vehicle device, a wearable device, a terminal device in a future 5G network, or a terminal device in a future evolved PLMN.

Optionally, terminal to device (D2D) communication can be performed between the terminal devices 120.

Alternatively, the 5G system or network may also be referred to as a New Radio (NR) system or network.

FIG. 1 exemplarily shows one network device and two terminal devices. Alternatively, the wireless communication system 100 may include a plurality of network devices and may include other numbers of terminal devices within the coverage of each network device. The application embodiment does not limit this.

Optionally, the wireless communication system 100 may further include other network entities, such as a network controller, a mobility management entity, and the like.

In the NR system, the system bandwidth can be divided into multiple Bandwidth Part (BWP) (or bandwidth part, transmission bandwidth, etc.), and the network device can indicate to the terminal device the BWP used by the terminal device, the terminal. The device can use different BWP to transmit data. If the PDCCH is still monitored according to the fixed CORESET configured by the network device, the transmission efficiency of the PDCCH is reduced, and the power consumption of the terminal device is increased.

In the embodiment of the present application, the CORESET for transmitting the PDCCH in different BWPs can be a live configuration, when the terminal device uses different BWPs, the network device sends the PDCCH by using at least one CORESET configured for the BWP, and the terminal device monitors the PDCCH in at least one CORESET configured for the BWP, thereby being flexible in different frequency domain resources. The transmission of the PDCCH improves the transmission efficiency and reduces the power consumption of the terminal device.

2 is a flow interaction diagram of a method for resource configuration in an embodiment of the present application. The network device shown in Fig. 2 may be, for example, the network device 110 shown in Fig. 1, and the terminal device shown in Fig. 2 may be, for example, the terminal device 120 shown in Fig. 1. As shown in FIG. 2, the method for configuring a resource includes: In 210, a network device sends resource configuration information to a terminal device.

In 220, the terminal device receives the resource configuration information sent by the network device.

The resource configuration information is used to indicate a resource mapping relationship between the M BWPs and the N control resource sets, where M and N are positive integers.

Optionally, after 220, the method further includes 230.

In 230, the network device sends a PDCCH to the terminal device in at least one control resource set corresponding to the target BWP used by the terminal device.

In 240, the terminal device monitors the PDCCH sent by the network device according to the resource mapping relationship in at least one control resource set corresponding to the target BWP used by the terminal device.

In the resource mapping relationship, each BWP may correspond to at least one control resource set, and at least one control resource set corresponding to any two different BWPs may be the same, partially the same, or different.

Therefore, when the BWP used by the terminal device is dynamically switched in multiple BWPs, the network device may send the PDCCH by using a different control resource set, and the terminal device performs PDCCH monitoring in the control resource set corresponding to the currently used BWP (or It is called interception, detection, detection, etc., so that flexible transmission of PDCCH can be realized in different frequency domain resources, the transmission efficiency is improved, and the power consumption of the terminal device is reduced.

The resource mapping relationship may be determined by the network device and configured by the resource configuration information to the terminal device, or may be agreed in advance by, for example, a protocol between the network device and the terminal device.

In the embodiment of the present application, the resource configuration information used to indicate the resource mapping relationship may have the following two forms, which are separately described below.

Form 1

Optionally, the resource configuration information includes configuration information of each of the M BWPs. The configuration information of the i-th BWP in the M BWPs includes the information of the i-th BWP, and Information of at least one control resource set corresponding to the i-th BWP, i from 0 to M1 (i traversing 0 to M-1).

The configuration information of the M BWPs may occupy M independent fields respectively, wherein the configuration information of each BWP is carried in a dedicated continuous field thereof, and the BWP is carried in a field specific to the configuration information of each BWP. Corresponding information about CORESET. Therefore, the configuration information of each BWP includes not only the information of the BWP itself, but also information of at least one control resource set corresponding to the BWP. The fields here may also be referred to as a sequence, a field, an information field, and the like.

For example, the configuration information of the i-th BWP may carry some information related to the i-th BWP, such as parameter information, resource location information, information of the PDCCH, information of a Physical Downlink Shared Channel (PDSCH), and physical Information such as the Physical Random Access Channel (RACH). In this embodiment, the configuration information of the i-th BWP includes not only the foregoing information but also information of at least one control resource set corresponding to the i-th BWP. The information of the at least one control resource set corresponding to the i-th BWP is subordinate to the configuration information of the BWP, and occupies a part of a field specific to the configuration information of the BWP. When receiving the resource configuration information, the terminal device may obtain information about the BWP itself and information of at least one control resource set corresponding to the BWP from the configuration information of each B WP.

When the terminal device currently uses the target BWP for data transmission, the network device sends a PDCCH to the terminal device on the at least one control resource set corresponding to the target BWP, and correspondingly, the terminal device uses at least one control resource set corresponding to the target BWP that is used by the terminal device. Detecting the sending of network devices

PDCCH.

Optionally, the information of each control resource set in the at least one control resource set carried in the configuration information of the i-th BWP includes information about frequency domain resources occupied by the control resource set in the i-th BWP.

Further, optionally, the information of each control resource set in the at least one control resource set corresponding to the ith BWP may further include information for monitoring the time domain resource of the PDCCH in each control resource set (also It may be referred to as a search space, such as information for monitoring a time slot or symbol of a PDCCH.

When the resource configuration information adopts the form 1 to indicate the resource mapping relationship between the BWP and the control resource set, optionally, before 240, the terminal device may obtain the target BWP from the configuration information of the target B WP. Corresponding information of the at least one control resource set. For example, as shown in the schematic diagram of the BWP and the CORESET shown in FIG. 3, the resource configuration information includes configuration information of M B WPs, assuming M=4. The configuration information of B WP 0 includes information of BWP 0 and information of at least one CORESET (CORESET 0, CORESET 1, CORESET 2, and CORESET 3) corresponding to the BWP 0, wherein the information of each CORESET includes the CORESET. The information of the frequency domain resource occupied in BWP 0; the configuration information of BWP 1 includes the information of B WP 1 and the information of at least one CORESET (CORESET 0 and CORESET 1 ) corresponding to the BWP 1, wherein each CORESET information includes The information of the frequency domain resource occupied by the CORESET in the BWP 1; the configuration information of the BWP 2 includes the information of the BWP 2 and the information of at least one CORESET (CORESET 0, CORESET 1 and CORESET 2 ) corresponding to the BWP 2, wherein each The information of the CORESET includes the information of the frequency domain resource occupied by the CORESET in the BWP 2; the configuration information of the BWP 3 includes the information of the BWP 3 and the information of at least one CORESET (CORESET 0 and CORESET 1 ) corresponding to the BWP 3, wherein The information of each CORESET includes information of the frequency domain resources occupied by the CORESET in the BWP 4.

It can be seen that in FIG. 3, the information of the BWP and the information of at least one CORESET corresponding to the BWP are carried in the configuration information of each BWP. The configuration information of different BWPs can be carried in different fields, and the fields are independent of each other and do not overlap.

If the target BWP currently used by the terminal device is BWP 0, the network device sends the PDCCH on the at least one CORESET corresponding to the BWP 0. Accordingly, the terminal device directly acquires at least one corresponding to the BWP 0 from the configuration information of the B WP 0 CORESET information, and monitoring the PDCCH sent by the network device in the at least one CORESET; if the target BWP currently used by the terminal device is BWP 1, the network device sends the PDCCH on at least one CORESET corresponding to the BWP 1, and correspondingly, the terminal device Obtaining information of at least one CORESET corresponding to the BWP 1 from the configuration information of the BWP 1 and monitoring the PDCCH sent by the network device in the at least one CORESET; if the target BWP currently used by the terminal device is BWP 2, the network device Transmitting the PDCCH on the at least one CORESET corresponding to the BWP 2, and correspondingly, the terminal device directly acquires information of the at least one CORESET corresponding to the BWP 2 from the configuration information of the BWP 2, and monitors the sending of the network device in the at least one CORESET. PDCCH; if the target BWP currently used by the terminal device is BWP 3, then the network device corresponds to BWP 3 At least one PDCCH is transmitted on CORESET, correspondingly, the terminal device acquires information of at least a CORESET BWP 3 corresponds to the configuration information from the BWP 3 directly, and the at least one network monitoring device CORESET PDCCH transmitted. In this embodiment, since the configuration information of each BWP carries the information of the control resource set corresponding to the BWP, it is not necessary to separately indicate the control resource set and the resource mapping relationship between the control resource set and the BWP, thereby saving Signaling overhead, and facilitating the terminal device to quickly determine at least one control resource set corresponding to each BWP.

Form 2

Optionally, the resource configuration information includes configuration information of each of the M BWPs and configuration information of the N control resource sets, where configuration information of the i-th BWP in the M BWPs includes the i-th BWP Information, the configuration information of the jth control resource set in the N control resource sets includes information of the jth control resource set, and an index of the BWP corresponding to the jth control resource set, i from 0 to Ml , j from 0 to N-1.

Specifically, the resource configuration information includes configuration information of M BWPs and configuration information of N control resource sets. The configuration information of M BWPs can occupy M independent fields respectively. The configuration information of the N control resource sets also occupy N independent fields, and the configuration information of each control resource set is carried in a dedicated continuous field. The configuration information of each BWP in the resource configuration information includes the information of the BWP, and the configuration information of each control resource set in the resource configuration information includes the information of the control resource set and the BWP of the control resource set. index. The fields here may also be referred to as a sequence, a field, an information field, and the like.

For example, the configuration information of the jth control resource set of the N control resource sets includes information of the jth control resource set, for example, information of frequency domain resources occupied by the jth control resource set in its corresponding BWP, and further An index of the BWP corresponding to the control resource set is included. The BWP indicated by the index is the BWP corresponding to the control resource set. The different control resource sets may correspond to the same or different BWPs, for example, the BWP indexes carried in the configuration information of any two control resource sets may be the same or different.

Optionally, the information of the jth control resource set includes information of frequency domain resources occupied by the jth control resource set in the BWP corresponding to the jth control resource set.

Further, optionally, the information of the jth control resource set further includes information (also may be referred to as a search space) for monitoring the time domain resource of the PDCCH in the jth control resource, for example, Information for monitoring time slots or symbols of the PDCCH.

When the resource configuration information adopts the form 2 to indicate the resource mapping relationship between the BWP and the control resource set, optionally, before 240, the terminal device may select to carry the configuration information in the N control resource sets. Obtaining at least one configuration information of an index of the target BWP, and acquiring the corresponding to the target BWP from the at least one configuration information carrying an index of the target BWP At least one piece of information that controls the set of resources.

For example, as shown in the schematic diagram of the BWP and the CORESET shown in FIG. 4, the resource configuration information includes configuration information of M BWPs and configuration information of N control resource sets. Suppose M=4, N=ll. The BWP 0 configuration information includes the BWP 0 information, the BWP 1 configuration information includes the BWP 1 information, the BWP 2 configuration information includes the BWP 2 information, and the BWP 3 configuration information includes the BWP 3 information.

The configuration information of the control resource set 0 includes an index (index 0) of the BWP to which the control resource set 0 belongs, and information of the frequency domain resource that the control resource set 0 occupies in the BWP indicated by the index 0; The configuration information includes an index (index 1) of the BWP to which the control resource set 1 belongs, and information of the frequency domain resource occupied by the control group 1 in the BWP indicated by the index 1; the configuration information of the control resource set 2 includes the control The index of the BWP to which the resource set 2 belongs (index 0), and the information of the frequency domain resource that the control resource set 2 occupies in the BWP indicated by the index 0; the configuration information of the control resource set 3 includes the BWP to which the control resource set 3 belongs. Index (index 2), and information of the frequency domain resource occupied by the control resource set 3 in the BWP indicated by the index 2; the configuration information of the control resource set 4 includes the index (index 0) of the BWP to which the control resource set 4 belongs. And controlling the frequency domain resource occupied by the resource set 4 in the BWP indicated by the index 0; the configuration information of the control resource set 5 includes the control resource set 5 The index of the BWP (index 0), and the information of the frequency domain resource that the control resource set 5 occupies in the BWP indicated by the index 0; the configuration information of the control resource set 6 includes the index of the BWP to which the control resource set 6 belongs (index 2), and control information of the frequency domain resource occupied by the resource set 6 in the BWP indicated by the index 2; the configuration information of the control resource set 7 includes an index (index 3) of the BWP to which the control resource set 7 belongs, and the control resource The information of the frequency domain resource occupied by the set 7 in the BWP indicated by the index 3; the configuration information of the control resource set 8 includes the index (index 1) of the BWP to which the control resource set 8 belongs, and the control resource set 8 at the index 1 The information of the frequency domain resource occupied in the indicated BWP; the configuration information of the control resource set 9 includes an index (index 2) of the BWP to which the control resource set 9 belongs, and the control resource set 9 is occupied by the BWP indicated by the index 2 The information of the frequency domain resource; the configuration information of the control resource set 10 includes an index (index 3) of the BWP to which the control resource set 10 belongs, and the control resource set 13 at the index 3 Information of the frequency domain resources occupied in the indicated BWP.

It can be seen that, in FIG. 4, the configuration information of each control resource set includes information of the control resource set and an index of the BWP corresponding to the control resource set. The index of the BWP in the configuration information of each control resource set indicates one BWP in the M BWPs.

Assuming that the index of the target BWP currently used by the terminal device is BWP 0, then the terminal device root According to the configuration information of the N CORESETs, the configuration information carrying the index 0 is selected therein. As can be seen from FIG. 4, the configuration information carrying the index 0 includes configuration information of CORESET 0, CORESET 1, CORESET 2, and CORESET 3. At least one control resource set corresponding to the BWP indicated by index 0 is CORESET 0, CORESET 1, CORESET 2, and CORESET 3. Therefore, the terminal device acquires the information of the BWP from the configuration information of the BWP indicated by the index 0, and monitors the PDCCH transmitted by the network device in the CORESET 0, CORESET 1, CORESET 2, and CORESET 3 located in the BWP.

It should be understood that, in this embodiment, the resource configuration information may include configuration information of other control resource sets except the N control resource sets in addition to the configuration information of the N control resource sets. For example, the resource configuration information further includes configuration information of at least one common control resource set, and the configuration information of the common control resource set includes information of frequency domain resources occupied by the common control resource set (also referred to as a search space). (search space)), or may further include information for monitoring symbols or time slots of the PDCCH. The configuration information of the common control resource set may include, for example, information of frequency domain resources occupied by the common control resource set, and may not include a BWP index.

In the form 1, the resource mapping relationship between the BWP and the CORESET is embodied by the affiliation between the BWP and the CORESET. Specifically, the affiliation is added by a field specific to the configuration information of a certain BWP. The BWP corresponds to the CORESET information to be implemented.

In the form 2, the configuration information of the BWP and the configuration information of the CORESET are independent, the configuration information of the BWP normally indicates the B WP, and the configuration information of the CORESET includes not only the information of the frequency domain resource occupied by the CORESET, but also Indicates the index (or number) of the BWP for this CORESET.

FIG. 5 is a schematic block diagram of a terminal device 500 according to an embodiment of the present application. As shown in FIG. 5, the terminal device 500 includes a receiving unit 510 and a monitoring unit 520. among them:

The receiving unit 510 is configured to receive resource configuration information that is sent by the network device, where the resource configuration information is used to indicate a resource mapping relationship between the M bandwidth segment BWPs and the N control resource sets, where M and N are positive integers;

The monitoring unit 520 is configured to monitor, according to the resource mapping relationship, the physicality sent by the network device on at least one control resource set corresponding to the target BWP used by the terminal device. Downlink control channel PDCCH.

Optionally, the resource configuration information includes configuration information of each of the M BWPs, where configuration information of the i-th BWP of the M BWPs includes information of the i-th BWP, and Information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to M-1.

Optionally, the terminal device further includes a processing unit, configured to: obtain, from the configuration information of the target BWP, information of the at least one control resource set corresponding to the target BWP.

Optionally, the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes information about frequency domain resources occupied by the control resource set in the i-th BWP.

Optionally, the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes information about the time domain resources used by the control resource set to monitor the PDCCH.

Optionally, the information of the time domain resource includes information for monitoring a time slot or a symbol of the PDCCH.

Optionally, the resource configuration information includes configuration information of each of the M BWPs and configuration information of each of the N control resource sets. The configuration information of the i-th BWP of the M BWPs includes the information of the i-th BWP, and the configuration information of the j-th control resource set of the N control resource sets includes the j-th control The information of the resource set, and the index of the BWP corresponding to the jth control resource set, i from 0 to M1, j from 0 to N-1.

Optionally, the terminal device further includes: a processing unit, configured to: in the configuration information of the N control resource sets, select at least one configuration information that carries an index of the target BWP, and carry the target BWP from In the at least one configuration information of the index, information of the at least one control resource set corresponding to the target BWP is acquired.

Optionally, the information of the jth control resource set further includes the jth control resource set Information for monitoring time domain resources of the PDCCH.

It should be understood that the terminal device 500 can perform the corresponding operations performed by the terminal device in the foregoing method 200. For brevity, details are not described herein again.

FIG. 6 is a schematic block diagram of a network device 600 in accordance with an embodiment of the present application. As shown in FIG. 6, the network device 600 includes a sending unit 610, configured to: send resource configuration information to the terminal device, where the resource configuration information is used to indicate resources between the M bandwidth segment BWPs and the N control resource sets. Mapping relationship, M and N are positive integers.

Optionally, the sending unit 610 is further configured to: use a target used by the terminal device

At least one control resource set corresponding to the BWP, and transmitting a physical downlink control channel PDCCH to the terminal device.

Optionally, the resource configuration information includes configuration information of each of the M BWPs, where configuration information of the i-th BWP of the M BWPs includes information of the i-th BWP, and Information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to

M-1.

Optionally, the information of each control resource set in the at least one control resource set corresponding to the ith BWP includes information about frequency domain resources occupied by the control resource set in the ith BWP. .

Optionally, the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes information about a time domain resource used to transmit the PDCCH in each control resource set.

Optionally, the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.

Optionally, the resource configuration information includes configuration information of each of the M BWPs and the

N control information sets each with configuration information. The configuration information of the i-th BWP of the M BWPs includes information of the i-th BWP, and the jth of the N control resource sets The configuration information of the control resource set includes information of the jth control resource set, and an index of the BWP corresponding to the jth control resource set, i from 0 to M1, j from 0 to N-1.

Optionally, the information of the jth control resource set further includes information about a time domain resource used for transmitting the PDCCH in the jth control resource set.

It should be understood that the network device 600 can perform the corresponding operations performed by the network device in the foregoing method 200. For brevity, no further details are provided herein.

FIG. 7 is a schematic structural diagram of a communication device 700 according to an embodiment of the present application. As shown in FIG. 7, the communication device includes a processor 710, a transceiver 720, and a memory 730, wherein the processor 710, the transceiver 720, and the memory 730 communicate with each other through an internal connection path. The memory 730 is for storing instructions, and the processor 710 is configured to execute instructions stored in the memory 730 to control the transceiver 720 to receive signals or transmit signals.

Optionally, the processor 710 can call the program code stored in the memory 730, and the corresponding operations performed by the terminal device in the method 200 are omitted for brevity.

Optionally, the processor 710 can call the program code stored in the memory 730, and perform corresponding operations performed by the network device in the method 200. For brevity, no further details are provided herein.

It should be understood that the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability. In the implementation process, each step of the foregoing method embodiments may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software. The above processor may be a general purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA) or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed. The general purpose processor may be a microprocessor or the processor or any conventional processor or the like. The steps of the method disclosed in the embodiments of the present application may be directly implemented as a hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor. The software modules can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like. The storage medium is located in the memory, and the processor reads the information in the memory, and completes the above with the hardware thereof. The steps of the law.

It is to be understood that the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory may be a read-only memory (ROM), a programmable read only memory (Programmable ROM, PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read-only memory (EEPROM) or flash memory. The volatile memory can be a random access memory (RAM) that acts as an external cache. By way of example and not limitation, many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM). SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDR SDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Synchronous Connection Dynamic Random Access Memory (Synchlink DRAM, SLDRAM) ) and direct memory bus random access memory (DR RAM). It should be noted that the memories of the systems and methods described herein are intended to comprise, without being limited to, these and any other suitable types of memory.

FIG. 8 is a schematic structural diagram of a system chip of an embodiment of the present application. The system chip 800 of FIG. 8 includes an input interface 801, an output interface 802, at least one processor 803, and a memory 804. The input interface 801, the output interface 802, the processor 803, and the memory 804 are interconnected by an internal connection path. . The processor 803 is configured to execute the code in the memory 804.

Alternatively, when the code is executed, the processor 803 can implement the corresponding operations performed by the terminal device in the method 200. For the sake of brevity, we will not repeat them here.

Alternatively, when the code is executed, the processor 803 can implement the corresponding operations performed by the network device in the method 200. For the sake of brevity, we will not repeat them here.

It should be understood that in the embodiment of the present invention, "B corresponding to A (corresponding to B) means that B is associated with A, and B can be determined according to A. However, it should be understood that determining B according to A does not mean that B is determined only by A, and that B can be determined based on A and/or other information.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. Professionals can use different parties for each specific application The described functionality is implemented, but such implementation should not be considered to be beyond the scope of this application.

A person skilled in the art can clearly understand that the specific working process of the system, the device and the unit described above can be referred to the corresponding process in the foregoing method embodiments for the convenience and brevity of the description, and details are not described herein again.

In the several embodiments provided herein, it should be understood that the disclosed systems, devices, and methods may be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or may be Integration into another system, or some features can be ignored, or not executed. Alternatively, the mutual engagement or direct engagement or communication connection shown or discussed may be an indirect engagement or communication connection through some interface, device or unit, and may be in electrical, mechanical or other form.

The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the objectives of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present application may be integrated into one monitoring unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application, which is essential to the prior art or part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including The instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application. The foregoing storage medium includes: a U disk, a mobile hard disk, a Read-Only Memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like, which can store program codes. .

The foregoing is only a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present application. It should be covered by the scope of protection of this application. Therefore, the scope of protection of the present application should be determined by the scope of the claims.

Claims

Rights request

A method for configuring a resource, the method comprising:

The terminal device receives resource configuration information sent by the network device, where the resource configuration information is used to indicate a resource mapping relationship between the M bandwidth segment BWPs and the N control resource sets, where M and N are positive integers;

The terminal device monitors the physical downlink control channel PDCCH sent by the network device in the at least one control resource set corresponding to the target BWP used by the terminal device, based on the resource mapping relationship.

The method according to claim 1, wherein the resource configuration information includes configuration information of each of the M BWPs.

The configuration information of the i-th BWP of the M BWPs includes information of the i-th BWP, and information of at least one control resource set corresponding to the i-th BWP, where i ranges from 0 to M. -1.

The method according to claim 2, wherein before the monitoring, by the terminal device, the PDCCH sent by the network device, the method further includes:

The terminal device acquires information of the at least one control resource set corresponding to the target BWP from the configuration information of the target BWP.

The method according to claim 2 or 3, wherein the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes the each control resource set in the Information about frequency domain resources occupied in the i-th BWP.

The method according to claim 4, wherein the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes that each control resource is used to monitor the PDCCH. Information about time domain resources.

6. The method according to claim 5, wherein the information of the time domain resource comprises information for monitoring a time slot or a symbol of a PDCCH.

The method according to claim 1, wherein the resource configuration information includes configuration information of each of the M BWPs and configuration information of the N control resource sets, wherein the M BWPs The configuration information of the i-th BWP includes information of the i-th BWP, and configuration information of the j-th control resource set of the N control resource sets includes information of the j-th control resource set, and The index of the BWP corresponding to the jth control resource set, i from 0 to M1, j from 0 to N-1.

8. The method according to claim 7, wherein the terminal device monitoring station Before the PDCCH sent by the network device, the method further includes:

The terminal device, in the configuration information of the N control resource sets, select at least one configuration information that carries an index of the target BWP, and obtains from the at least one configuration information that carries an index of the target BWP. Information of the at least one control resource set corresponding to the target BWP.

The method according to claim 7 or 8, wherein the information of the jth control resource set includes the jth control resource set occupied by the BWP corresponding to the jth control resource set Information about frequency domain resources.

The method according to claim 9, wherein the information of the jth control resource set further comprises information for monitoring the time domain resource of the PDCCH in the jth control resource set.

The method according to claim 10, wherein the information of the time domain resource comprises information for monitoring a time slot or a symbol of a PDCCH.

12. A method for resource allocation, the method comprising:

The network device sends resource configuration information to the terminal device, where the resource configuration information is used to indicate a resource mapping relationship between the M bandwidth segment BWPs and the N control resource sets, where M and N are positive integers.

The method according to claim 12, wherein the method further comprises: the network device transmitting, to the terminal device, at least one control resource set corresponding to a target BWP used by the terminal device Physical downlink control channel PDCCH.

The method according to claim 12 or 13, wherein the resource configuration information includes configuration information of each of the M BWPs,

The method according to claim 14, wherein the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes the each control resource set in the Information about frequency domain resources occupied by i BWPs.

The method according to claim 15, wherein the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes that each control resource is used to transmit a PDCCH. Information about time domain resources.

The method according to claim 16, wherein the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.

The method according to claim 12 or 13, wherein the resource configuration letter The information includes configuration information of each of the M BWPs and configuration information of each of the N control resource sets,

The configuration information of the i-th BWP of the M BWPs includes the information of the i-th BWP, and the configuration information of the j-th control resource set of the N control resource sets includes the j-th control The information of the resource set, and the index of the BWP corresponding to the jth control resource set, i from 0 to M1, j from 0 to N-1.

The method according to claim 18, wherein the information of the jth control resource set includes a frequency domain occupied by the jth control resource set in a BWP corresponding to the jth control resource set Resource information.

The method according to claim 19, wherein the information of the jth control resource set further comprises information of a time domain resource used for transmitting the PDCCH in the jth control resource set.

The method according to claim 20, wherein the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.

22. A terminal device, the terminal device comprising:

a receiving unit, configured to receive resource configuration information sent by the network device, where the resource configuration information is used to indicate a resource mapping relationship between the M bandwidth segment BWPs and the N control resource sets, where M and N are positive integers;

And a monitoring unit, configured to monitor, according to the resource mapping relationship, a physical downlink control channel PDCCH sent by the network device on the at least one control resource set corresponding to the target BWP used by the terminal device.

The terminal device according to claim 22, wherein the resource configuration information includes configuration information of each of the M BWPs, where configuration information of the i-th BWP of the M BWPs includes Information about the i-th BWP, and information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to M-1.

The terminal device according to claim 23, wherein the terminal device further includes a processing unit, configured to:

From the configuration information of the target BWP, information of the at least one control resource set corresponding to the target BWP is obtained.

The terminal device according to claim 23 or 24, wherein the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes the each control resource set in the Information about frequency domain resources occupied in the i-th BWP.

The terminal device according to claim 25, wherein the ith BWP Corresponding at least one information of each control resource set in the control resource set, further comprising information for monitoring the time domain resource of the PDCCH in each control resource set.

The terminal device according to claim 26, wherein the information of the time domain resource includes information for monitoring a time slot or a symbol of a PDCCH.

The terminal device according to claim 22, wherein the resource configuration information includes configuration information of each of the M BWPs and configuration information of each of the N control resource sets,

The terminal device according to claim 28, wherein the terminal device further includes a processing unit, configured to:

And selecting, in the configuration information of the N control resource sets, at least one configuration information that carries an index of the target BWP, and acquiring, from the at least one configuration information that carries an index of the target BWP, the target Information of the at least one control resource set corresponding to the BWP.

The terminal device according to claim 28 or 29, wherein the information of the jth control resource set includes the jth control resource set occupied in a BWP corresponding to the jth control resource set Information about frequency domain resources.

The terminal device according to claim 30, wherein the information of the jth control resource set further includes information for monitoring the time domain resource of the PDCCH in the jth control resource.

The terminal device according to claim 31, wherein the information of the time domain resource includes information for monitoring a time slot or a symbol of a PDCCH.

33. A network device, where the network device includes:

And a sending unit, configured to send resource configuration information to the terminal device, where the resource configuration information is used to indicate a resource mapping relationship between the M bandwidth segment BWPs and the N control resource sets, where M and N are positive integers.

The network device according to claim 33, wherein the sending unit is further configured to:

And transmitting, to the terminal device, a physical downlink control channel PDCCH in at least one control resource set corresponding to the target BWP used by the terminal device.

The network device according to claim 33 or claim 34, wherein the resource configuration information includes configuration information of each of the M BWPs, wherein configuration information of the i-th BWP of the M BWPs And including information of the i-th BWP, and information of at least one control resource set corresponding to the i-th BWP, where i is from 0 to M-1.

The network device according to claim 35, wherein the information of each control resource set in the at least one control resource set corresponding to the i-th BWP includes the each control resource set in the Information about frequency domain resources occupied in the i-th BWP.

The network device according to claim 36, wherein the information of each control resource set in the at least one control resource set corresponding to the i-th BWP further includes that each control resource is used for transmission Information about the time domain resource of the PDCCH.

The network device according to claim 37, wherein the information of the time domain resource includes information for transmitting a time slot or a symbol of a PDCCH.

The network device according to claim 33 or 34, wherein the resource configuration information includes configuration information of each of the M BWPs and configuration information of each of the N control resource sets.

The network device according to claim 39, wherein the information of the jth control resource set includes a frequency occupied by the jth control resource set in a BWP corresponding to the jth control resource set Information about domain resources.

The network device according to claim 40, wherein the information of the jth control resource set further includes information of the jth control resource set for transmitting a time domain resource of the PDCCH.

The network device according to claim 41, wherein the information of the time domain resource includes information for transmitting a time slot or a symbol of the PDCCH.